Learn with this guide the most appropriate surge protection according to EN 50550
Aplicaciones Tecnológicas helps you to choose the recommended power frequency overvoltage protection according to EN 50550. All our devices of ATCONTROL and IGATEST series have been tested by an independent laboratory for their certification.
Power frequency, permanent or maintained overvoltages are those whose duration is relatively long (several cycles) and can cause damages to the installation and the electrical equipments. They are usually caused by defective connection to the neutral or by a lower consumption.
Download here our product selection guide for power frequency overvoltage protectors.